CN108266373A - A kind of elastic composite spiral axial pump - Google Patents
A kind of elastic composite spiral axial pump Download PDFInfo
- Publication number
- CN108266373A CN108266373A CN201711381510.8A CN201711381510A CN108266373A CN 108266373 A CN108266373 A CN 108266373A CN 201711381510 A CN201711381510 A CN 201711381510A CN 108266373 A CN108266373 A CN 108266373A
- Authority
- CN
- China
- Prior art keywords
- arc
- spiral
- rachis
- inner ring
- transmission shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/20—Rotors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
The invention discloses a kind of elastic composite spiral axial pump, including initiative drive shaft, slave drive axis, third transmission shaft, casing, wear-resisting inner ring and supporting rib；The casing internal rotation is provided with initiative drive shaft, slave drive axis and third transmission shaft, the first driving gear on initiative drive shaft is intermeshed with the first driven gear on slave drive axis, and the second driving gear on slave drive axis is intermeshed with the second driven gear on third transmission shaft；The first spiral rachis is provided on the third transmission shaft, the second spiral rachis is provided on slave drive axis, the first spiral rachis mutually agrees with the second spiral rachis；Sealing device is provided on slave drive axis and third transmission shaft, and chassis cavity is divided into drive cavity and liquid conveyor chamber；The configuration of the present invention is simple, wear-resistant effect is good, and transfer efficiency is high, can be widely popularized and be applied.
Description
【Technical field】
The present invention relates to the technical fields of the technical field of spiral axial pump, particularly elastomer composite spiral axial pump.
【Background technology】
Spiral axial pump is that water or liquid are transported to outlet by helical blade to exclude, its main feature
Be pump case and blade gap it is smaller, flow is lost small, and the efficiency of pump is high, lift height etc., therefore industrially obtains widely should
With, but there are wedge angles for the blade-shaped line of traditional helicoidal pump, transition is not round and smooth, and conjugated manner is conjugated for dotted line, should in transmission
It is easy to wear wedge angle in, so as to cause sealing effect poor, water or fluid loss are more, and the efficiency of pump is using very
Low, discharge pressure reduces, while during the work time, the easy judder of the pump housing increases uneven stability during pump operation, sternly
Influence the use of people again, for above-mentioned spiral axial pump there are the problem of, it is necessary to spiral axial pump is improved and is set
Meter so that spiral axial pump can not only ensure preferable impeller clearance, while can ensure good stationarity.
【Invention content】
The purpose of the present invention is exactly to solve the problems of the prior art, proposes a kind of elastic composite spiral axial pump, can
Make that spiral axial direction pump seal performance is more preferable, and blade is not easy to wear, discharge pressure is high, and passability is good.
To achieve the above object, the present invention proposes a kind of elastic composite spiral axial pump, including initiative drive shaft, driven
Transmission shaft, third transmission shaft, casing, wear-resisting inner ring and supporting rib；Casing internal rotation is provided with initiative drive shaft, driven
Transmission shaft and third transmission shaft, the first driving gear on initiative drive shaft and the first driven gear on slave drive axis are mutual
It engages, the second driving gear on slave drive axis is intermeshed with the second driven gear on third transmission shaft；The third
The first spiral rachis is provided on transmission shaft, the second spiral rachis, the first spiral rachis and second are provided on slave drive axis
Spiral rachis mutually agrees with；Sealing device is provided on slave drive axis and third transmission shaft, and chassis cavity is divided into drive cavity
With liquid conveyor chamber；
The side view shape line of the first spiral rachis is symmetrical about its horizontal center line, the shape line point on the downside of horizontal center line
It is not made of arc HA, cycloid AB, cycloid BC, arc CD, arc DE, arc EF and arc FG, adjacent shape line is tangent；Second spiral rachis side view
Shape line is symmetrical about its horizontal center line, the shape line on the downside of horizontal center line respectively by arc H ' A ', cycloid A ' B ', cycloid B ' C ',
Arc C ' D ', arc D ' E ', arc E ' F ' and arc F ' G ' compositions, adjacent shape line are tangent；The cycloid AB and arc E ' F ' conjugation, cycloid BC with
Arc D ' E ' conjugation, arc DE and cycloid B ' C ' conjugation, arc EF and cycloid A ' B ' conjugation, arc FG and arc H ' A ' conjugation, F ' G ' and arc HA
Conjugation；
Skeleton radius of corner on the support frame of the first spiral rachis and the second spiral rachis is 1.5mm-
3.5mm, support frame outer side covering have a rubber layer, and the thickness of rubber layer is 4.6mm-15.8mm, the rubber fillet in rubber layer
Radius be 0.1-0.4mm.
Preferably, the internal side of shell wall is additionally provided with wear-resisting inner ring, wear-resisting inner ring be coated on the first spiral rachis and
On the outside of second spiral rachis, the inner wall of wear-resisting inner ring is in contact with the first spiral rachis and the second spiral rachis lateral wall, wear-resisting
Inner ring includes upper inner ring and lower inner ring, is fixedly connected between upper inner ring and lower inner ring by supporting rib.
Preferably, the first spiral rachis, the second spiral rachis and wear-resisting inner ring are located inside liquid conveyor chamber；Institute
The first driving gear, the first driven gear, the second driving gear and the second driven gear is stated to be located inside drive cavity；The conveying
Inlet and liquid outlet are provided on chamber lateral wall.
Preferably, the initiative drive shaft, slave drive axis and third transmission shaft are rotatably installed in by bearing
Casing internal, initiative drive shaft one end are stretched out on the outside of casing, and initiative drive shaft one end is provided with transmission keyway.
Beneficial effects of the present invention：The present invention is by the way that the blade-shaped line on the first spiral rachis and the second spiral rachis is set
Several sections of circular arcs or cycloid composition are set to, there are conjugate relations between corresponding circular arc or cycloid, preferably avoid blade-shaped
The defects of line is not round and smooth so that blade abrasion resistant effect improves；Support frame outer side covering has rubber layer, and the thickness of rubber layer is
4.6mm-15.8mm, the radius of the rubber fillet in rubber layer is 0.1-0.4mm, it is ensured that when liquid transporting is carried out
Good leakproofness and transfer efficiency greatly reduce fluid loss rate；The configuration of the present invention is simple, wear-resistant effect is good, conveying effect
Rate is high, can be widely popularized and be applied.
The feature and advantage of the present invention will be described in detail by embodiment combination attached drawing.
【Description of the drawings】
Fig. 1 is a kind of main view sectional view of elastic composite spiral axial pump of the present invention；
Fig. 2 is the first spiral rachis and the second helical-blade spindle-type cable architecture of a kind of elastic composite spiral axial pump of the present invention
Schematic diagram；
Fig. 3 is a kind of side elevational cross-section schematic diagram of elastic composite spiral axial pump of the present invention；
Fig. 4 is a kind of first spiral rachis of elastic composite spiral axial pump of the present invention, the second spiral rachis, wear-resisting inner ring
With supporting rib dimensional structure diagram；
Fig. 5 is a kind of the first spiral rachis of elastic composite spiral axial pump of the present invention and the second spiral rachis engaged transmission
When diagrammatic cross-section；
Fig. 6 is a kind of the first spiral rachis of elastic composite spiral axial pump of the present invention and the second spiral rachis engaged transmission
When section close-up schematic view.
In figure：1- initiative drive shafts, the first driving gears of 2-, 3- slave drives axis, the first driven gears of 4-, 5- second are led
Moving gear, 6- thirds transmission shaft, the second driven gears of 7-, the first spirals of 8- rachis, the second spirals of 9- rachis, 10- sealing devices,
11- drive cavities, 12- liquid conveyor chamber, 13- casings, 14- inlets, 15- liquid outlets, 16- arc HA, 17- cycloid AB, 18- cycloids
BC, 19- arc CD, 20- arc DE, 21- arc EF, 22- arc FG, 23- arc H ' A ', 24- cycloid A ' B ', 25- cycloid B ' C ', 26- arcs C '
D ', 27- arc D ' E ', 28- arc E ' F ', 29- arc F ' G ', the wear-resisting inner ring of 30-, 31- supporting ribs, 32- support frames, 33- skeletons circle
Angle, 34- rubber fillet, 35- rubber layers.
【Specific embodiment】
Refering to Fig. 1-Fig. 6, a kind of elastic composite spiral axial pump of the present invention, including initiative drive shaft 1, slave drive axis 3,
Third transmission shaft 6, casing 13, wear-resisting inner ring 30 and supporting rib 31；13 inner rotation of casing be provided with initiative drive shaft 1,
Slave drive axis 3 and third transmission shaft 6, the first driving gear 2 on initiative drive shaft 1 and first on slave drive axis 3 from
Moving gear 4 is intermeshed, the second driving gear 5 on slave drive axis 3 and 7 phase of the second driven gear on third transmission shaft 6
Mutually engagement；The first spiral rachis 8 is provided on the third transmission shaft 6, the second spiral rachis 9 is provided on slave drive axis 3,
First spiral rachis 8 mutually agrees with the second spiral rachis 9；Sealing device is provided on slave drive axis 3 and third transmission shaft 6
13 inner cavity of casing is divided into drive cavity 11 and liquid conveyor chamber 12 by 10；The side view shape line of the first spiral rachis 8 is about it
Horizontal center line is symmetrical, and the shape line on the downside of horizontal center line is respectively by arc HA16, cycloid AB17, cycloid BC18, arc CD19, arc
DE20, arc EF21 and arc FG22 compositions, adjacent shape line are tangent；Second spiral rachis, 9 side view shape line is about its horizontal center line pair
Claim, the shape line on the downside of horizontal center line is respectively by arc H ' A ' 23, cycloid A ' B ' 24, cycloid B ' C ' 25, arc C ' D ' 26, arc D ' E '
27th, arc E ' F ' 28 and arc F ' G ' 29 are formed, and adjacent shape line is tangent；The cycloid AB17 and arc E ' F ' 28 are conjugated, cycloid BC18 with
Arc D ' E ' 27 are conjugated, and arc DE20 and cycloid B ' C ' 25 are conjugated, and arc EF21 and cycloid A ' B ' 24 are conjugated, and arc FG22 and arc H ' A ' 23 are common
Yoke, F ' G ' 29 and arc HA16 are conjugated；Skeleton circle on the support frame 32 of the first spiral rachis 8 and the second spiral rachis 9
33 radius of angle is 1.5mm-3.5mm, and 32 outer side covering of support frame has rubber layer 35, and the thickness of rubber layer 35 is 4.6mm-
15.8mm, the radius of the rubber fillet 34 in rubber layer 35 is 0.1-0.4mm；13 madial wall of casing is additionally provided in wear-resisting
Ring 30, wear-resisting inner ring 30 are coated on 9 outside of the first spiral rachis 8 and the second spiral rachis, the inner wall and first of wear-resisting inner ring 30
8 and second spiral rachis of spiral rachis, 9 lateral wall is in contact, and wear-resisting inner ring 30 includes upper inner ring and lower inner ring, and upper inner ring is under
It is fixedly connected between inner ring by supporting rib 31；The first spiral rachis 8, the second spiral rachis 9 and wear-resisting inner ring 30
Inside liquid conveyor chamber 12；First driving gear 2, the first driven gear 4, the second driving gear 5 and second are driven
Gear 7 is located inside drive cavity 11；Inlet 14 and liquid outlet 15 are provided on 12 lateral wall of conveyor chamber；The active passes
Moving axis 1, slave drive axis 3 and third transmission shaft 6 by bearing be rotatably installed in inside casing 13, initiative drive shaft 1 one
13 outside of casing is stretched out at end, and 1 one end of initiative drive shaft is provided with transmission keyway.
The course of work of the present invention：
A kind of elastic composite spiral axial pump of the present invention during the work time, by 1 one end of initiative drive shaft and driving motor
It is driven by key, initiative drive shaft 1 passes through the first driving gear 2, the first driven gear 4,5 and of the second driving gear
Second driven gear causes slave drive axis 3 and third transmission shaft 6 to rotate, so that the first spiral rachis 8 and second
Spiral rachis 9 rotates, it would be desirable to which the liquid of conveying is entered by inlet 14, then by the first spiral rachis 8 and
The effect of two spiral rachises 9 is discharged from liquid outlet 15, so as to fulfill the conveying of liquid.
The present invention by the blade-shaped line on the first spiral rachis 8 and the second spiral rachis 9 by being arranged to several sections of circular arcs
Or cycloid composition, there are conjugate relations between corresponding circular arc or cycloid, preferably avoid the defects of blade-shaped line is not round and smooth,
So that blade abrasion resistant effect improves；32 outer side covering of support frame has rubber layer 35, and the thickness of rubber layer 35 is 4.6mm-
15.8mm, the radius of the rubber fillet 34 in rubber layer 35 is 0.1-0.4mm, it is ensured that good when liquid transporting is carried out
Good leakproofness and transfer efficiency, greatly reduce fluid loss rate；The configuration of the present invention is simple, wear-resistant effect is good, transfer efficiency
Height can be widely popularized and be applied.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after
Scheme all belong to the scope of protection of the present invention.
Claims (4)
1. a kind of elastic composite spiral axial pump, it is characterised in that：Including initiative drive shaft (1), slave drive axis (3), third
Transmission shaft (6), casing (13), wear-resisting inner ring (30) and supporting rib (31)；Casing (13) inner rotation, which is provided with, actively to be passed
Moving axis (1), slave drive axis (3) and third transmission shaft (6), the first driving gear (2) and driven biography on initiative drive shaft (1)
The first driven gear (4) on moving axis (3) is intermeshed, and the second driving gear (5) on slave drive axis (3) is driven with third
The second driven gear (7) intermeshing on axis (6)；The first spiral rachis (8) is provided on the third transmission shaft (6), from
The second spiral rachis (9) is provided on dynamic transmission shaft (3), the first spiral rachis (8) mutually agrees with the second spiral rachis (9)；
Sealing device (10) is provided on slave drive axis (3) and third transmission shaft (6), casing (13) inner cavity is divided into drive cavity
(11) and liquid conveyor chamber (12)；
The side view shape line of the first spiral rachis (8) is symmetrical about its horizontal center line, the shape line point on the downside of horizontal center line
It is not made of arc HA (16), cycloid AB (17), cycloid BC (18), arc CD (19), arc DE (20), arc EF (21) and arc FG (22),
Adjacent shape line is tangent；Second spiral rachis (9) side view shape line is symmetrical about its horizontal center line, the shape line on the downside of horizontal center line
Respectively by arc H ' A ' (23), cycloid A ' B ' (24), cycloid B ' C ' (25), arc C ' D ' (26), arc D ' E ' (27), arc E ' F ' (28) and
Arc F ' G ' (29) are formed, and adjacent shape line is tangent；The cycloid AB (17) is conjugated with arc E ' F ' (28), cycloid BC (18) and arc D ' E '
(27) it is conjugated, arc DE (20) and cycloid B ' C ' (25) are conjugated, and arc EF (21) and cycloid A ' B ' (24) are conjugated, arc FG (22) and arc H '
A ' (23) is conjugated, and F ' G ' (29) and arc HA (16) is conjugated；
Skeleton fillet (33) radius on the support frame (32) of the first spiral rachis (8) and the second spiral rachis (9) is
1.5mm-3.5mm, support frame (32) outer side covering have rubber layer (35), and the thickness of rubber layer (35) is 4.6mm-15.8mm,
The radius of rubber fillet (34) in rubber layer (35) is 0.1-0.4mm.
2. a kind of elastic composite spiral axial pump as described in claim 1, it is characterised in that：Casing (13) madial wall is also
Wear-resisting inner ring (30) is provided with, wear-resisting inner ring (30) is coated on the outside of the first spiral rachis (8) and the second spiral rachis (9), resistance to
The inner wall of mill inner ring (30) is in contact with the first spiral rachis (8) and second spiral rachis (9) lateral wall, wear-resisting inner ring (30) packet
Upper inner ring and lower inner ring are included, is fixedly connected between upper inner ring and lower inner ring by supporting rib (31).
3. a kind of elastic composite spiral axial pump as described in claim 1, it is characterised in that：The first spiral rachis (8),
Second spiral rachis (9) and wear-resisting inner ring (30) are internal positioned at liquid conveyor chamber (12)；First driving gear (2), first
Driven gear (4), the second driving gear (5) and the second driven gear (7) are internal positioned at drive cavity (11)；The conveyor chamber (12)
Inlet (14) and liquid outlet (15) are provided on lateral wall.
4. a kind of elastic composite spiral axial pump as described in claim 1, it is characterised in that：The initiative drive shaft (1), from
Dynamic transmission shaft (3) and third transmission shaft (6) carry out being rotatably installed in casing (13) inside, initiative drive shaft (1) one by bearing
End is stretched out on the outside of casing (13), and initiative drive shaft (1) one end is provided with transmission keyway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711381510.8A CN108266373B (en) | 2017-12-20 | 2017-12-20 | Elastic composite spiral axial pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711381510.8A CN108266373B (en) | 2017-12-20 | 2017-12-20 | Elastic composite spiral axial pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108266373A true CN108266373A (en) | 2018-07-10 |
| CN108266373B CN108266373B (en) | 2023-06-30 |
Family
ID=62772305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711381510.8A Active CN108266373B (en) | 2017-12-20 | 2017-12-20 | Elastic composite spiral axial pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108266373B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1751408A1 (en) * | 1990-03-17 | 1992-07-30 | Производственное Объединение Гидравлических Машин "Ливгидромаш" Им.60-Летия Союза Сср | Positive-displacement rotary machine |
| RU2113622C1 (en) * | 1996-03-17 | 1998-06-20 | Акционерное общество "Ливгидромаш" | Revolving rotor machine |
| CN103388580A (en) * | 2013-08-02 | 2013-11-13 | 浙江大学 | Split type mechanical seal and double-screw pump with same |
| CN203308712U (en) * | 2013-06-07 | 2013-11-27 | 淄博瑞莱特真空设备有限公司 | Variable-pitch double-thread screw vacuum pump |
| CN107023480A (en) * | 2017-05-12 | 2017-08-08 | 中国石油大学(华东) | A kind of complete smooth twin-screw liquid pump screw rotor |
| CN207583624U (en) * | 2017-12-20 | 2018-07-06 | 杭州电子科技大学 | A kind of elastic composite spiral axial pump |
-
2017
- 2017-12-20 CN CN201711381510.8A patent/CN108266373B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1751408A1 (en) * | 1990-03-17 | 1992-07-30 | Производственное Объединение Гидравлических Машин "Ливгидромаш" Им.60-Летия Союза Сср | Positive-displacement rotary machine |
| RU2113622C1 (en) * | 1996-03-17 | 1998-06-20 | Акционерное общество "Ливгидромаш" | Revolving rotor machine |
| CN203308712U (en) * | 2013-06-07 | 2013-11-27 | 淄博瑞莱特真空设备有限公司 | Variable-pitch double-thread screw vacuum pump |
| CN103388580A (en) * | 2013-08-02 | 2013-11-13 | 浙江大学 | Split type mechanical seal and double-screw pump with same |
| CN107023480A (en) * | 2017-05-12 | 2017-08-08 | 中国石油大学(华东) | A kind of complete smooth twin-screw liquid pump screw rotor |
| CN207583624U (en) * | 2017-12-20 | 2018-07-06 | 杭州电子科技大学 | A kind of elastic composite spiral axial pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108266373B (en) | 2023-06-30 |
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